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公开(公告)号：KR800000740B1
公开(公告)日：1980-08-02
申请号：KR800002487
申请日：1980-06-24
Applicant: STANDARD OIL CO OHIO
Inventor： TERRILL D , SHAW W , DOLHY S , MILBEYER E
IPC: B01J27/14
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